/Engine/Source/Runtime/MeshDescription/Public/MeshDescription.h
Returns the vertices adjacent to this vertex as an array with the specified allocator template type.
template<typename Alloc> [TArray](API\Runtime\Core\Containers\TArray)< [FVertexID](API\Runtime\MeshDescription\FVertexID), Alloc > GetVertexAdjacentVertices ( const [FVertexID](API\Runtime\MeshDescription\FVertexID) VertexID ) const